238902925 has 6 divisors (see below), whose sum is σ = 296239658. Its totient is φ = 191122320.

The previous prime is 238902919. The next prime is 238902931. The reversal of 238902925 is 529209832.

It is an interprime number because it is at equal distance from previous prime (238902919) and next prime (238902931).

It can be written as a sum of positive squares in 3 ways, for example, as 447561 + 238455364 = 669^2 + 15442^2 .

It is not a de Polignac number, because 238902925 - 2²⁷ = 104685197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4778034 + ... + 4778083.

Almost surely, 2^238902925 is an apocalyptic number.

238902925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238902925 is a deficient number, since it is larger than the sum of its proper divisors (57336733).

238902925 is an equidigital number, since it uses as much as digits as its factorization.

238902925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556127 (or 9556122 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 238902925 is about 15456.4848849924. The cubic root of 238902925 is about 620.4981471698.

The spelling of 238902925 in words is "two hundred thirty-eight million, nine hundred two thousand, nine hundred twenty-five".